<?php
class Jnd_Form_Decorator_Formulaire extends Zend_Form_Decorator_Abstract
{

    public function buildLabel()
    {
        $element = $this->getElement();
        if (! ($element instanceof Zend_Form_Element_Submit || $element instanceof Zend_Form_Element_Hash)) {
            if (! $element->noLabel) {
                $label = $element->getLabel();
                if ($translator = $element->getTranslator()) {
                    $label = $translator->translate(
                        $label);
                }
                $label .= " :";
                return $element->getView()->formLabel(
                    $element->getName(),
                    $label);
            }
        }
        return '';
    }

    public function buildInput()
    {
        $element = $this->getElement();
        $helper = $element->helper;
        return $element->getView()->$helper($element->getName(), $element->getValue(),
            $element->getAttribs(), $element->options);
    }

    public function buildErrors()
    {
        $element = $this->getElement();
        $messages = $element->getMessages();
        if (empty($messages)) {
            return '';
        }
        return '<span class="errors">' . $element->getView()->formErrors($messages) . '</span>';
    }

    public function buildDescription()
    {
        $element = $this->getElement();
        $desc = $element->getDescription();
        if (empty($desc)) {
            return '';
        }
        return '<div class="description">' . $desc . '</div>';
    }

    public function buildRequired()
    {
        $element = $this->getElement();
        if (! ($element instanceof Zend_Form_Element_Submit || $element instanceof Zend_Form_Element_Hash)) {
            if ($element->isRequired()) {
                return '<span style="color: red; font-weight: bold;">*</span>';
            }
        }
        return '';
    }

    public function render($content)
    {
        $element = $this->getElement();
        if (! $element instanceof Zend_Form_Element) {
            return $content;
        }
        if (null === $element->getView()) {
            return $content;
        }
        $separator = $this->getSeparator();
        $placement = $this->getPlacement();
        if (! $element instanceof Zend_Form_Element_Hidden) {
            $label = $this->buildLabel();
            $input = $this->buildInput();
            $errors = $this->buildErrors();
            $desc = $this->buildDescription();
            $output = $input . $errors . $desc . $separator;
            switch ($placement) {
                case (self::PREPEND):
                    return $output . $separator . $content;
                case (self::APPEND):
                default:
                    return $content . $separator . $output;
            }
        } else {
            return $content . $separator . $this->buildInput();
        }
    }
}
